diff --git a/ChangeLog-8.php b/ChangeLog-8.php
index 194df396d..74ee4b626 100644
--- a/ChangeLog-8.php
+++ b/ChangeLog-8.php
@@ -743,6 +743,80 @@ changelog_header(8, $MINOR_VERSIONS);
 
 <a id="PHP_8_4"></a>
 
+<section class="version" id="8.4.19"><!-- {{{ 8.4.19 -->
+<h3>Version 8.4.19</h3>
+<b><?php release_date('12-Mar-2026'); ?></b>
+<ul><li>Core:
+<ul>
+  <li>Fixed bug <?php githubissuel('php/php-src', 21029); ?> (zend_mm_heap corrupted on Aarch64, LTO builds).</li>
+  <li>Fixed bug <?php githubissuel('php/php-src', 20657); ?> (Assertion failure in zend_lazy_object_get_info triggered by setRawValueWithoutLazyInitialization() and newLazyGhost()).</li>
+  <li>Fixed bug <?php githubissuel('php/php-src', 20504); ?> (Assertion failure in zend_get_property_guard when accessing properties on Reflection LazyProxy via isset()).</li>
+  <li>Fixed OSS-Fuzz #478009707 (Borked assign-op/inc/dec on untyped hooked property backing value).</li>
+  <li>Fixed bug <?php githubissuel('php/php-src', 21215); ?> (Build fails with -std=).</li>
+  <li>Fixed bug <?php githubissuel('php/php-src', 13674); ?> (Build system installs libtool wrappers when using slibtool).</li>
+</ul></li>
+<li>Curl:
+<ul>
+  <li>Fixed bug <?php githubissuel('php/php-src', 21023); ?> (CURLOPT_XFERINFOFUNCTION crash with a null callback).</li>
+  <li>Don't truncate length.</li>
+</ul></li>
+<li>Date:
+<ul>
+  <li>Fixed bug <?php githubissuel('php/php-src', 20936); ?> (DatePeriod::__set_state() cannot handle null start).</li>
+  <li>Fix timezone offset with seconds losing precision.</li>
+</ul></li>
+<li>DOM:
+<ul>
+  <li>Fixed bug <?php githubissuel('php/php-src', 21077); ?> (Accessing Dom\Node::baseURI can throw TypeError).</li>
+  <li>Fixed bug <?php githubissuel('php/php-src', 21097); ?> (Accessing Dom\Node properties can can throw TypeError).</li>
+</ul></li>
+<li>MBString:
+<ul>
+  <li>Fixed bug <?php githubissuel('php/php-src', 21223); ?>; mb_guess_encoding no longer crashes when passed huge list of candidate encodings (with 200,000+ entries).</li>
+</ul></li>
+<li>Opcache:
+<ul>
+  <li>Fixed bug <?php githubissuel('php/php-src', 20718); ?> ("Insufficient shared memory" when using JIT on Solaris).</li>
+  <li>Fixed bug <?php githubissuel('php/php-src', 21227); ?> (Borked SCCP of array containing partial object).</li>
+  <li>Fixed bug <?php githubissuel('php/php-src', 21052); ?> (Preloaded constant erroneously propagated to file-cached script).</li>
+</ul></li>
+<li>OpenSSL:
+<ul>
+  <li>Fix a bunch of leaks and error propagation.</li>
+</ul></li>
+<li>PCNTL:
+<ul>
+  <li>Fixed pcntl_setns() internal errors handling regarding errnos.</li>
+  <li>Fixed cpuset leak in pcntl_setcpuaffinity on out-of-range CPU ID on NetBSD/Solaris platforms.</li>
+  <li>Fixed pcntl_signal() signal table registering the callback first OS-wise before the internal list.</li>
+  <li>Fixed pcntl_signal_dispatch() stale pointer and exception handling.</li>
+</ul></li>
+<li>PCRE:
+<ul>
+  <li>Fixed preg_match memory leak with invalid regexes.</li>
+</ul></li>
+<li>PDO_PGSQL:
+<ul>
+  <li>Fixed bug <?php githubissuel('php/php-src', 21055); ?> (connection attribute status typo for GSS negotiation).</li>
+</ul></li>
+<li>PGSQL:
+<ul>
+  <li>Fixed bug <?php githubissuel('php/php-src', 21162); ?> (pg_connect() memory leak on error).</li>
+</ul></li>
+<li>Sockets:
+<ul>
+  <li>Fixed bug <?php githubissuel('php/php-src', 21161); ?> (socket_set_option() crash with array 'addr' entry as null).</li>
+  <li>Fixed possible addr length overflow with socket_connect() and AF_UNIX family sockets.</li>
+</ul></li>
+<li>Windows:
+<ul>
+  <li>Fixed compilation with clang (missing intrin.h include).</li>
+</ul></li>
+</ul>
+<!-- }}} --></section>
+
+
+
 <section class="version" id="8.4.18"><!-- {{{ 8.4.18 -->
 <h3>Version 8.4.18</h3>
 <b><?php release_date('12-Feb-2026'); ?></b>
diff --git a/archive/archive.xml b/archive/archive.xml
index bae4eb065..0a99184d9 100644
--- a/archive/archive.xml
+++ b/archive/archive.xml
@@ -9,6 +9,7 @@
     <uri>http://php.net/contact</uri>
     <email>php-webmaster@lists.php.net</email>
   </author>
+  <xi:include href="entries/2026-03-12-1.xml"/>
   <xi:include href="entries/2026-02-12-2.xml"/>
   <xi:include href="entries/2026-02-12-1.xml"/>
   <xi:include href="entries/2026-02-09-1.xml"/>
diff --git a/archive/entries/2026-03-12-1.xml b/archive/entries/2026-03-12-1.xml
new file mode 100644
index 000000000..4f7b7df1f
--- /dev/null
+++ b/archive/entries/2026-03-12-1.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<entry xmlns="http://www.w3.org/2005/Atom">
+  <title>PHP 8.4.19 Released!</title>
+  <id>https://www.php.net/archive/2026.php#2026-03-12-1</id>
+  <published>2026-03-12T17:28:37+00:00</published>
+  <updated>2026-03-12T17:28:37+00:00</updated>
+  <link href="https://www.php.net/index.php#2026-03-12-1" rel="alternate" type="text/html"/>
+  <link href="https://www.php.net/archive/2026.php#2026-03-12-1" rel="via" type="text/html"/>
+  <category term="releases" label="New PHP release"/>
+  <category term="frontpage" label="PHP.net frontpage news"/>
+  <content type="xhtml">
+    <div xmlns="http://www.w3.org/1999/xhtml"><p>The PHP development team announces the immediate availability of PHP 8.4.19. This is a bug fix release.</p>
+
+<p>All PHP 8.4 users are encouraged to upgrade to this version.</p>
+
+<p>For source downloads of PHP 8.4.19 please visit our <a href="https://www.php.net/downloads.php">downloads page</a>,
+Windows source and binaries can also be found <a href="https://www.php.net/downloads.php?os=windows&amp;version=8.4">there</a>.
+The list of changes is recorded in the <a href="https://www.php.net/ChangeLog-8.php#8.4.19">ChangeLog</a>.
+</p>    </div>
+  </content>
+</entry>
diff --git a/include/releases.inc b/include/releases.inc
index e49510641..f729df67e 100644
--- a/include/releases.inc
+++ b/include/releases.inc
@@ -2,6 +2,42 @@
 $OLDRELEASES = array (
   8 => 
   array (
+    '8.4.18' => 
+    array (
+      'announcement' => 
+      array (
+        'English' => '/releases/8_4_18.php',
+      ),
+      'tags' => 
+      array (
+      ),
+      'date' => '12 Feb 2026',
+      'source' => 
+      array (
+        0 => 
+        array (
+          'filename' => 'php-8.4.18.tar.gz',
+          'name' => 'PHP 8.4.18 (tar.gz)',
+          'sha256' => '79636f2890976e7507123988c4750e592a6eb35cd407bfa7d2bb35ad15af3a06',
+          'date' => '12 Feb 2026',
+        ),
+        1 => 
+        array (
+          'filename' => 'php-8.4.18.tar.bz2',
+          'name' => 'PHP 8.4.18 (tar.bz2)',
+          'sha256' => '586b32d92cebcfbca495c5f6ad1a33640553d0a9c0bfd2e6715334d959cf9858',
+          'date' => '12 Feb 2026',
+        ),
+        2 => 
+        array (
+          'filename' => 'php-8.4.18.tar.xz',
+          'name' => 'PHP 8.4.18 (tar.xz)',
+          'sha256' => '957a9b19b4a8e965ee0cc788ca74333bfffaadc206b58611b6cd3cc8b2f40110',
+          'date' => '12 Feb 2026',
+        ),
+      ),
+      'museum' => false,
+    ),
     '8.5.2' => 
     array (
       'announcement' => 
diff --git a/include/version.inc b/include/version.inc
index 00166b423..614619874 100644
--- a/include/version.inc
+++ b/include/version.inc
@@ -34,13 +34,13 @@ $RELEASES = (function () {
 
     /* PHP 8.4 Release */
     $data['8.4'] = [
-        'version' => '8.4.18',
-        'date' => '12 Feb 2026',
+        'version' => '8.4.19',
+        'date' => '12 Mar 2026',
         'tags' => [], // Set to ['security'] for security releases.
         'sha256' => [
-            'tar.gz' => '79636f2890976e7507123988c4750e592a6eb35cd407bfa7d2bb35ad15af3a06',
-            'tar.bz2' => '586b32d92cebcfbca495c5f6ad1a33640553d0a9c0bfd2e6715334d959cf9858',
-            'tar.xz' => '957a9b19b4a8e965ee0cc788ca74333bfffaadc206b58611b6cd3cc8b2f40110',
+            'tar.gz' => '9e862435ffb533dc5b0eb486170a74e5f7c8095e8eb8819a2ff5aad430292a18',
+            'tar.bz2' => 'bceb7798ed37b442fe523ae7ef345ccc2231db0b022d30735c2e378d3254a0d4',
+            'tar.xz' => '11f7164ab26d356c31f94d3d69cc0e0707d5d2d6494a221aaeae307c08eaaa1c',
         ]
     ];
 
diff --git a/releases/8_4_19.php b/releases/8_4_19.php
new file mode 100644
index 000000000..1843bc08c
--- /dev/null
+++ b/releases/8_4_19.php
@@ -0,0 +1,16 @@
+<?php
+$_SERVER['BASE_PAGE'] = 'releases/8_4_19.php';
+include_once __DIR__ . '/../include/prepend.inc';
+site_header('PHP 8.4.19 Release Announcement');
+?>
+<h1>PHP 8.4.19 Release Announcement</h1>
+
+<p>The PHP development team announces the immediate availability of PHP 8.4.19. This is a bug fix release.</p>
+
+<p>All PHP 8.4 users are encouraged to upgrade to this version.</p>
+
+<p>For source downloads of PHP 8.4.19 please visit our <a href="https://www.php.net/downloads.php">downloads page</a>,
+Windows source and binaries can also be found <a href="https://www.php.net/downloads.php?os=windows&amp;version=8.4">there</a>.
+The list of changes is recorded in the <a href="https://www.php.net/ChangeLog-8.php#8.4.19">ChangeLog</a>.
+</p>
+<?php site_footer();